Moon Defence vs AMSA Chess
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Moon Defence
Defend your space base on the moon from incoming asteroids in this arcade-style game. Pilot your defenses and protect the spaceships from destruction.
- Space arcade gameplay
- Defend moon base
- Protect spaceships
- Asteroid defense
Read full descriptionHide full description
Moon Defence is a space arcade game. You must defend the spaceships on the moon from incoming asteroids.
AMSA Chess
This platform serves as the official online competition hub for mind sports in Asia, connecting national systems into a unified ecosystem. It offers official tournaments, professional fair play systems, AI training tools, and official rankings for players and organizers.
- Official tournament platform
- Professional fair play system
- AI training and analysis
- Official Asian & National Rankings
- Online PVP competition
- Athlete database & digital infrastructure
Read full descriptionHide full description
AMSA Chess: Official Asian Mind Sports & National Qualifier Platform Take your place on the international stage. AMSA Chess is the exclusive official online competition platform developed by the Asian Mind Sports Association (AMSA). Operating within the framework of the Olympic Council of Asia (OCA), AMSA is building the long-term digital infrastructure and official athlete database for mind sports across Asia. Designed for players, federations, institutions, and organizers, AMSA Chess connects national systems into a unified Asian online competition and ranking ecosystem. Key Features: Official Tournament Platform The official platform for AMSA online competitions, national qualifiers, selection events, registrations, and future continental tournaments across Asia. Professional Fair Play System Compete with confidence through advanced fair play monitoring, anti-cheating systems, and behavioural analysis technology designed to maintain integrity and professionalism in online competition. AI Training & Analysis Train with advanced AI-powered tools for tactical improvement, analysis, and skill development. AMSA will continue working with chess champions, professional players, and experts to further develop and optimize the platform’s AI training system over the long term. Official Asian & National Rankings Track your official rankings across Asian and national leader boards, supporting athlete development, qualification systems, and competitive progression. Online PVP Competition Experience smooth real-time matchmaking and online competition with players and communities across Asia. Athlete Database & Digital Infrastructure Supporting the long-term digitalization of chess and mind sports through official player records, tournament systems, and future regional qualification frameworks. AMSA Chess is committed to advancing the digitalization, standardization, and international development of chess and mind sports in Asia — building the next-generation official online ecosystem for competitive mind sports. Download AMSA Chess today and join the future of Asian Mind Sports!
Screenshots
Verdict
The clearest difference is in-app purchases: Moon Defence at none against AMSA Chess's 10. Moon Defence also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. AMSA Chess sells 10 one-off in-app purchases. Moon Defence asks for nothing beyond the download.
Moon Defence ships an update every 4 days, AMSA Chess every 3 weeks. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.
| Parameter | Moon Defence | AMSA Chess |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 16 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryan McCaffery | Asian Mind Sports |
Customer experience
Moon Defence
AMSA Chess
In-app purchases
Moon Defence
No in-app purchases
AMSA Chess
- Coin Offer 1$0.99
- Diamond Offer 1$0.99
- 100 Diamond Pack$0.99
Show 7 moreShow fewer
- Coin Offer 2$1.99
- Diamond Offer 2$1.99
- Coin Offer 3$2.99
- Diamond Offer 3$2.99
- 2000 Diamond Pack$19.99
- 5000 Diamond Pack$49.99
- 10000 Diamond Pack$99.99
Questions
Is Moon Defence free?
Is AMSA Chess free?
Do Moon Defence or AMSA Chess have ads?
Which is updated more often, Moon Defence or AMSA Chess?
Other comparisons















